net: wireless: ti: wl1251 add device tree support
We will have the wl1251 defined as a child node of the mmc interface
and can read setup for gpios, interrupts and the ti,use-eeprom
property from there instead of pdata to be provided by pdata-quirks.
Fixes: 81eef6ca92
("mmc: omap_hsmmc: Use dma_request_chan() for requesting DMA channel")
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Cc: <stable@vger.kernel.org> # v4.7+
[Ulf: Fixed up some complaints from checkpatch]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
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@ -16,6 +16,9 @@
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#include <linux/irq.h>
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#include <linux/pm_runtime.h>
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#include <linux/gpio.h>
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#include <linux/of.h>
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#include <linux/of_gpio.h>
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#include <linux/of_irq.h>
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#include "wl1251.h"
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@ -217,6 +220,7 @@ static int wl1251_sdio_probe(struct sdio_func *func,
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struct ieee80211_hw *hw;
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struct wl1251_sdio *wl_sdio;
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const struct wl1251_platform_data *wl1251_board_data;
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struct device_node *np = func->dev.of_node;
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hw = wl1251_alloc_hw();
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if (IS_ERR(hw))
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@ -248,6 +252,17 @@ static int wl1251_sdio_probe(struct sdio_func *func,
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wl->power_gpio = wl1251_board_data->power_gpio;
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wl->irq = wl1251_board_data->irq;
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wl->use_eeprom = wl1251_board_data->use_eeprom;
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} else if (np) {
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wl->use_eeprom = of_property_read_bool(np,
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"ti,wl1251-has-eeprom");
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wl->power_gpio = of_get_named_gpio(np, "ti,power-gpio", 0);
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wl->irq = of_irq_get(np, 0);
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if (wl->power_gpio == -EPROBE_DEFER ||
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wl->irq == -EPROBE_DEFER) {
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ret = -EPROBE_DEFER;
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goto disable;
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}
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}
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if (gpio_is_valid(wl->power_gpio)) {
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